diff --git a/saoriviewentry.cpp b/saoriviewentry.cpp
index 287ee74..2471987 100644
--- a/saoriviewentry.cpp
+++ b/saoriviewentry.cpp
@@ -33,6 +33,8 @@
 #include <QPainter>
 #include <QDebug>
 
+QMap<QString,QImage> SaoriViewEntry::m_imagecache_g;
+
 SaoriViewEntry::SaoriViewEntry(QWidget *parent)
 {
     SaoriViewEntry(0,parent);
@@ -79,9 +81,19 @@
             imageurl = i.mid(p + 1);
         }
         m_urlmap[i] = imageurl;
-        QImage img(imageurl);
-        imageResizer(i.left(p),img);
-        document()->addResource(QTextDocument::ImageResource,QUrl("img:" + imageurl),QVariant(img));
+        if (m_imagecache_g.contains(i)) {
+            document()->addResource(QTextDocument::ImageResource,QUrl("img:" + imageurl),QVariant(m_imagecache_g[i]));
+        } else if (m_imagecache_l.contains(i)) {
+            document()->addResource(QTextDocument::ImageResource,QUrl("img:" + imageurl),QVariant(m_imagecache_l[i]));
+        } else {
+            QImage img(imageurl);
+            imageResizer(i.left(p),img);
+            document()->addResource(QTextDocument::ImageResource,QUrl("img:" + imageurl),QVariant(img));
+            auto type = i.split(':')[0];
+            if (((type == "icon") || (type == "avatar") || (type == "mavatar")) && (imageurl.left(2) != ":/"))
+                m_imagecache_g[i] = img;
+            else if (imageurl != ":/icons/ionicons-md/md-hourglass.svg") m_imagecache_l[i] = img;
+        }
     }
     setText(designedText(cw));
     // QTextBrowserのサイズを確定させるトリック。
diff --git a/saoriviewentry.h b/saoriviewentry.h
index 56858ec..ba6a30d 100644
--- a/saoriviewentry.h
+++ b/saoriviewentry.h
@@ -30,6 +30,7 @@
 #include <QTextBrowser>
 #include <QUrl>
 #include <QMap>
+#include <QImage>
 
 class SaoriViewEntry : public QTextBrowser
 {
@@ -53,6 +54,8 @@
     QString m_original;
     bool m_cw;
     QMap<QString,QString> m_urlmap;
+    static QMap<QString,QImage> m_imagecache_g;
+    QMap<QString,QImage> m_imagecache_l;
 
 protected slots:
     void downloaded(const QUrl url);